15115675344 has 160 divisors (see below), whose sum is σ = 48766593024. Its totient is φ = 3919511040.

The previous prime is 15115675343. The next prime is 15115675387. The reversal of 15115675344 is 44357651151.

It is a super-5 number, since 5×15115675344⁵ (a number of 52 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 15115675296 and 15115675305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15115675343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2410357 + ... + 2416619.

Almost surely, 2^15115675344 is an apocalyptic number.

15115675344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15115675344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24383296512).

15115675344 is an abundant number, since it is smaller than the sum of its proper divisors (33650917680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15115675344 is a wasteful number, since it uses less digits than its factorization.

15115675344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6945 (or 6939 counting only the distinct ones).

The product of its digits is 252000, while the sum is 42.

The spelling of 15115675344 in words is "fifteen billion, one hundred fifteen million, six hundred seventy-five thousand, three hundred forty-four".